package Text_35;

import java.util.Scanner;

public class Code {

	public static void main(String[] args) {
		 Scanner sc = new Scanner(System.in);
	        System.out.println("请输入行数：");
	        int num = sc.nextInt();
	        for (int i = 1; i <=num ; i++) {
	            for (int j = 1; j <= i; j++) {
	                System.out.print("*"+" ");
	            }
	            System.out.println("");

	        }

	}

}
